Technical Support: Certificate has expired
Q: While trying to buy the CD-ROM at PayPal I get a "Certificate has expired" message.
A: Here is what PayPal's technical support section recommends in this case. If you are still having problems after trying this procedure, you can also call PayPal customer support at 1-888-221-1161, between 4:00 AM PST to 10:00 PM PST every day.
If you are using Microsoft Internet Explorer and are receiving a security alert message stating, "The certificate has expired or is not yet valid" when attempting to access a secure website like https://www.paypal.com, your web browser may not have the newest root certificates installed.
To resolve this issue, follow these steps:
Please ensure that you are accessing PayPal directly at https://www.paypal.com (rather than a Bookmark or Favorite) and make sure your computer's date and time are correct by clicking Start, Settings, Control Panel and double-click Date/Time
If you are still receiving this warning, update your web browser's Trusted Root Certification Authorities certificate store by following these steps:
Go to Microsoft's Windows Update and click Product Updates. Next, click the Yes button when asked to download the update. Microsoft will create a customized update package for your web browser, which should include a CA Root update. This can usually be found under the heading Recommended Updates. If you have problems with updating your certificate, visit Microsoft's Internet Support Center.
If this does not resolve the issue, try to install the newest root certificates from Verisign at https://www.verisign.com/support/site/update.html. Click Accept and follow the instructions for installation.
Finally, if you are still receiving this warning, you should consider upgrading to a newer version of your web browser.